Why Choose the ABB TF65-67 Thermal Overload Relay?
The ABB TF65-67 Thermal Overload Relay (1SAZ811201R1007) is a robust electromechanical motor protection relay engineered to provide dependable overload and phase failure protection for three-phase motors in industrial applications. As part of the trusted ABB TF65 thermal overload relay series, it is designed for direct mounting onto compatible ABB AF contactors, making it an ideal solution for motor starters and control panels.
Designed to improve motor reliability and reduce costly downtime, the TF65-67 offers rapid overload detection, temperature compensation and a trip class 10 characteristic. Integrated auxiliary contacts, manual or automatic reset selection and a clear trip indication simplify maintenance while ensuring safe, efficient operation in demanding industrial environments.
With an adjustable current setting range of 57 to 67 A, the TF65-67 is suitable for protecting medium-sized industrial motors used across manufacturing, processing, pumping and material handling applications. Its compact design allows straightforward installation directly beneath compatible ABB AF40 to AF65 contactors.
Key Advantages
- Reliable thermal overload and phase failure protection for three-phase motors.
- Adjustable current range of 57 to 67 A for flexible motor protection.
- Trip Class 10 for dependable overload response.
- Integrated 1 NO and 1 NC auxiliary contacts.
- Selectable manual or automatic reset.
- Direct mounting onto compatible ABB AF40 to AF65 contactors.
- Temperature compensated for improved operating accuracy.
- Compact construction for industrial motor starter assemblies.
Key Features
- ABB TF65 thermal overload relay series.
- 57 to 67 A adjustable overload setting.
- Trip Class 10 protection.
- Protection against motor overload and phase failure.
- Integrated 1 normally open and 1 normally closed auxiliary contact.
- Manual or automatic reset selection.
- Trip-free mechanism with STOP function.
- Visual trip indication.
- Screw terminal connections.
- Direct contactor mounting.
Reliable Motor Protection for Industrial Applications
Thermal overload relays are essential components within motor starter assemblies, protecting electric motors from sustained overload conditions and phase failure. By disconnecting the motor before overheating occurs, they help extend equipment life while reducing maintenance costs and unexpected production downtime.
The ABB TF65 series is widely used by machine builders, panel manufacturers and maintenance engineers thanks to its reliable performance, simple installation and compatibility with ABB AF contactors. Its integrated diagnostic features and flexible reset options make it suitable for a wide variety of industrial motor control applications.
Typical Applications
- Industrial motor starters.
- Pumps and water treatment systems.
- Fans and ventilation equipment.
- Conveyors and material handling systems.
- Compressors.
- Manufacturing and process automation.
- Industrial control panels.
- OEM machinery.
